Periodic Table/Iridium/¹⁶⁴Ir

← 163Ir165Ir →

¹⁶⁴Ir

Iridium-164

Radioactive

Nuclear Propertiesbinding energy · spin-parity · abundance

Protons (Z)

77

Neutrons (N)

87

Mass Number (A)

164

Atomic Mass

163.991966AMU

Spin / Parity

2-

Binding E/A

7.510keV

Natural Abundance

Trace / None

Half-life

Unknown

Decay Modesoverview · half-life · α · β⁻ · β⁺

p

α

β⁺

Decay Chain

¹⁶⁴IrIridium?

p

α¹⁶⁰Re

β⁺¹⁶⁴Os

¹⁶³OsOsmium5.70 ms

α100.0%

β⁺¹⁶³Re

¹⁵⁹WTungsten8.20 ms

α100.0%

β⁺¹⁵⁹Ta

¹⁵⁵HfHafnium843 ms

β⁺100.0%

α¹⁵¹Yb

¹⁵⁵LuLutetium68.0 ms

α90.0%

β⁺¹⁵⁵Yb10.0%

¹⁵¹TmThulium4.17 s

β⁺100.0%

¹⁵¹ErErbium23.5 s

β⁺100.0%

¹⁵¹HoHolmium35.2 s

β⁺88.0%

α¹⁴⁷Tb22.0%

¹⁵¹DyDysprosium17.9 min

β⁺94.4%

α¹⁴⁷Gd5.60%

¹⁵¹TbTerbium17.6 h

β⁺100.0%

α¹⁴⁷Eu0.01%

¹⁵¹GdGadolinium124 d

EC100.0%

α¹⁴⁷Sm1.10%

¹⁵¹EuEuropium4600000000 Gy

α100.0%

¹⁴⁷PmPromethium2.62 y

β⁻100.0%

¹⁴⁷SmSamarium107 Gy

α100.0%

¹⁴³NdNeodymiumSTABLE

15-step decay chain → stable · Primary path shown · branching ratios indicated

Other Isotopes of Iridium

163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205

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